Bee sting contains________________
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An element A forms an oxide with formula A3O4. What is the valency of element A?
The chemical formula of Ammonia is _____ .
When iron rusts, its weight .....
Which of the following is the best fire-extinguisher?
Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in
Name the acid present in lemon.
Which one of the following is an ohmic conductor?
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